Cup for a prosthetic joint



FIG. 1 is a top perspective view of a cup for a prosthetic joint showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a front side view thereof; and,

FIG. 8 is a right side view thereof.

The broken line showing of an alignment feature is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM I claim the ornamental design for a cup for a prosthetic joint, as shown. 